# Fluid Mechanics Calculator vs Vector Calculator Plus

The clearest difference is rating: Fluid Mechanics Calculator at 4.5 against Vector Calculator Plus's 2.5. Fluid Mechanics Calculator also leads on update cadence (every 7 months vs every 43 months) and ratings volume (21 vs 2). Vector Calculator Plus's advantage is iOS requirement (13 vs 16.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Fluid Mechanics Calculator costs $2.99 and Vector Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fluid Mechanics Calculator holds the better App Store score, 4.5 against 2.5. That said, the two scores are not equally well evidenced: Fluid Mechanics Calculator has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Fluid Mechanics Calculator ships an update every 7 months, Vector Calculator Plus every 43 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fluid Mechanics Calculator | Vector Calculator Plus |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/fluid-mechanics-calculator/id526974981/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **21** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 43 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 1 MB |
| Requires iOS | 16.1 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Fluid Mechanics Calculator

[App page](https://appshunter.io/ios/app/fluid-mechanics-calculator/id526974981)

This app provides 97 calculators for fluid mechanics and civil engineering parameters. It supports both Imperial (USCS) and Metric (SI) units, offering automatic and accurate calculations with unit changes.

**Highlights:** 97 fluid mechanics and civil engineering calculators, Supports SI and USCS (Imperial) units, Automatic calculations with unit changes, Wide range of parameters covered, Civil engineering applications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fluid Mechanics Calculator free?

Fluid Mechanics Calculator costs $2.99, with no in-app purchases.

### Is Vector Calculator Plus free?

Vector Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Fluid Mechanics Calculator or Vector Calculator Plus?

Fluid Mechanics Calculator is rated higher. Fluid Mechanics Calculator averages 4.5 out of 5 from 21 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do Fluid Mechanics Calculator or Vector Calculator Plus have ads?

Neither Fluid Mechanics Calculator nor Vector Calculator Plus shows ads.

### Which is updated more often, Fluid Mechanics Calculator or Vector Calculator Plus?

Fluid Mechanics Calculator ships an update every 7 months, and Vector Calculator Plus every 43 months. Most recently, Fluid Mechanics Calculator was updated on October 24, 2026 and Vector Calculator Plus on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*